Feig Electronic OBID i-scan ID ISC.ANT300, Монтаж, установка

Страница: 37 / 43

OBID
®
Installation ID ISC.ANT300/300-A
FEIG ELECTRONIC GmbH Page 37 of 43 M01001-2de-ID-B.DOC
E N G L I S H
Please proceed as follows:
•
Adjust capacities C1,C2, C3 and C40 at the neutral position (see Figure 22)
•
Adjust capacities X2,X3 at the optimal value lying close to 50
Ω
•
Adjust capacities X4 at the optimal value lying close to 50
Ω
•
Trim capacity C2 and C3 optimal value lying close to 50
Ω
.
•
Trim capacity C1 and C40 at 50
Ω
± 1
Ω
and phase angle 0°± 3°
For trimming the capacitors, we recommend an amber- /adjustment screwdriver
Note: Voltages as high as 1000V may be present on the antenna wire or on various compo-
nents of the tuning boards. Before starting your work first disconnect the antenna from the
Reader. When tuning the antenna make sure no components inside the housing are
touched.
The following chart has been made up in order to facilitate this process. It may be used as a guide-
line value for the adjustment process.
Chart 2: Jumper positions
Jumpers, inserted Distance to metal
plate
X2 X3 X4
10 cm 5-6,7-8,11-12 5-6,7-8,11-12 1-2,3-4,5-6,7-8
20 cm 1-2,7-8,11-12 1-2,7-8,11-12 3-4,5-6,7-8
30 cm 7-8,11-12 7-8,11-12 3-4,5-6,7-8
40 cm 7-8,11-12 7-8,11-12 3-4,5-6,7-8
50 cm 7-8,11-12 7-8,11-12 3-4,5-6,7-8
60 cm 7-8,11-12 7-8,11-12 3-4,5-6,7-8
Without metal plate 7-8,11-12 7-8,11-12 3-4,5-6,7-8